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Green energy transition: Early and steady wins the race

Latch, load and release: Elastic motion makes click beetles click, study finds


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IMAGE: Illinois researchers Aimy Wissa, Marianne Alleyne and Ophelia Bolmin studied the motion of a click beetle s jump and present the first analytical framework to uncover the physics behind ultrafast motion.
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Credit: Photo by L. Brian Stauffer
CHAMPAIGN, Ill. Click beetles can propel themselves more than 20 body lengths into the air, and they do so without using their legs. While the jump s motion has been studied in depth, the physical mechanisms that enable the beetles signature clicking maneuver have not. A new study examines the forces behind this super-fast energy release and provides guidelines for studying extreme motion, energy storage and energy release in other small animals like trap-jaw ants and mantis shrimps. ....

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Personalized brain stimulation alleviates severe depression symptoms


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Targeted neuromodulation tailored to individual patients distinctive symptoms is an increasingly common way of correcting misfiring brain circuits in people with epilepsy or Parkinson s disease. Now, scientists at UC San Francisco s Dolby Family Center for Mood Disorders have demonstrated a novel personalized neuromodulation approach that at least in one patient was able to provide relief from symptoms of severe treatment-resistant depression within minutes.
The approach is being developed specifically as a potential treatment for the significant fraction of people with debilitating depression who do not respond to existing therapies and are at high risk of suicide.
The brain, like the heart, is an electrical organ, and there is a growing acceptance in the field that the faulty brain networks that cause depression just like epilepsy or Parkinson s disease could be shifted into a healthier state by targeted stimulation, said Katherine Scangos, MD, Ph ....

San Francisco , United States , Edward Chang , Leo Sugrue , Katherine Scangos , Andrew Krystal , Ghassan Makhoul , Sanfordi Weill , University Of California , Dagmar Dolby Family Fund , Department Of Neurological Surgery , Us National Institutes Of Health , Epilepsy Center , Department Of Psychiatry , Helen Diller Medical Center At Parnassus Heights , Dolby Center , Behavioral Sciences , Behavioral Research Foundation , Uc San Francisco Dolby Family Center , Dolby Family Center , Mood Disorders , Nature Medicine , Studies Laid Groundwork , Depression Neuromodulation , Neurological Surgery , Jeanne Robertson Distinguished ,